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\title{Existence of Positive Steady States for Mass Conserving and Mass-Action
	Chemical Reaction Networks with a 
	Single Terminal-Linkage Class%
   \thanks{\today.}}
\author{Santiago Akle%
   \thanks{Institute for Computational and Mathematical Engineering,
           Stanford University, Stanford, CA 94305.
           Research supported in part by the U.S. Department of Energy (Office of
Advanced Scientific Computing Research and Office of Biological and
Environmental Research) as part of the Scientific Discovery Through
Advanced Computing program, grant DE-SC0002009.
           Email: {\tt akle@stanford.edu}, {\tt onkar@stanford.edu}, 
                  {\tt ntaheri@stanford.edu}.}
   \and Onkar Dalal\footnotemark[2]
   \and Ronan Fleming\thanks{Center for Systems Biology, University of Iceland, Sturlugata 8,
Reykjavik 101, Iceland. Email: {\tt ronan.mt.fleming@gmail.com}}
   \and Michael Saunders\footnotemark[4] 
   \and Nicole Taheri\footnotemark[2]
   \and Yinyu Ye%
   \thanks{Department of Management Science and Engineering,
           Stanford University, Stanford, CA 94305. Research supported in part by NSF grant GOALI 0800151
           and DOE grant DE-SC0002009.
           Email: {\tt saunders@stanford.edu}, {\tt yinyu-ye@stanford.edu}.}}
\date{}
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\section{Numerical Experiments}

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